Description |
In normal adult serum, the approximate percentage composition of IgG with respect to its subclasses is IgG1:65 percent, Ig2:23 percent, IgG3:6 percent, and IgG4:6 percent. Abnormal levels of one or more subclasses may be associated with autoimmune, anaphylactic and gut diseases, as well as with recurrent infection. Prepared from myeloma plasma shown to be non reactive for HbsAG, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests. >95 percent pure by SDS-PAGE. |